Gravett, E. (2013). Again! (1st U.S. ed.). Simon & Schuster Books for Young Readers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGravett, Emily. Again! 1st U.S. ed. New York: Simon & Schuster Books for Young Readers, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGravett, Emily. Again! 1st U.S. ed. Simon & Schuster Books for Young Readers, 2013.
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